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--- sandbox [2022/06/29 08:53]
tfischer
+++ sandbox [2023/03/29 11:07]
mexleadmin
@@ Zeile 1: / Zeile 1: @@
-Skip to content
+#@FOOTER-1@#
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+#@TaskTitle_HTML@# Exercise ~~#.#7.#~~  Power loss and efficiency II
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+#@TaskText_HTML@#
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+A water pump ($\eta_\rm P = 60~\%$) has an electric motor drive ($\eta_\rm M=90~\%$).
+The pump has to pump $500~{\rm l}$ water per minute up to $12~{\rm m}$ difference in height.
-@TimFFischer
+  * What must be the rated power of the motor?
-neuralyzer
+  * What current does the motor draw from the $230~{\rm V}$ mains? (assumption: the $230~{\rm V}$ is a DC value and also the current is DC)
-/
+#@TaskEnd_HTML@#
-dokuwiki-plugin-revealjs
-Public
+#@TaskTitle_HTML@# Exercise  ~~#.#.#~~  Power loss and efficiency II
-Code
+#@TaskText_HTML@#
-Issues
+A water pump ($\eta_\rm P = 60~\%$) has an electric motor drive ($\eta_\rm M=90~\%$).
-Pull requests
+The pump has to pump $500~{\rm l}$ water per minute up to $12~{\rm m}$ difference in height.
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+  * What must be the rated power of the motor?
-Projects
+  * What current does the motor draw from the $230~{\rm V}$ mains? (assumption: the $230~{\rm V}$ is a DC value and also the current is DC)
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+#@TaskEnd_HTML@#
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+<panel type="info" title="Exercise 1.7.4 Power loss and efficiency II"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 92%>
-Insights
-dokuwiki-plugin-revealjs/example_presentation.dokuwiki
+A water pump ($\eta_\rm P = 60~\%$) has an electric motor drive ($\eta_\rm M=90~\%$).
-@ogobrecht
+The pump has to pump $500~{\rm l}$ water per minute up to $12~{\rm m}$ difference in height.
-ogobrecht Merge remote-tracking branch 'neuralyzer/master'
+  * What must be the rated power of the motor?
-…
+  * What current does the motor draw from the $230~{\rm V}$ mains? (assumption: the $230~{\rm V}$ is a DC value and also the current is DC)
-Latest commit cb89a2e on 5 Feb 2017
+</WRAP></WRAP></panel>
- History
-contributor
-lines (211 sloc)  8.02 KB
 ~~NOCACHE~~
 ~~REVEAL theme=dokuwiki&transition=convex&controls=1&show_progress_bar=1&build_all_lists=1&show_image_borders=0&horizontal_slide_level=2&enlarge_vertical_slide_headers=0&show_slide_details=1&open_in_new_window=1&size=1024x768~~
+  - Nummerierter Listenpunkt
+  - f\begin{align*}
+\boxed{ D = {{\Psi}\over{A}} } \\
+Test
+\end{align*}
+  - f
 <wrap footer>Footer content here.</wrap>
@@ Zeile 417: / Zeile 423: @@
 Test, if background is not applied to the next horizontal slide
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